CN2636073Y

CN2636073Y - LED traffic signal lamp

Info

Publication number: CN2636073Y
Application number: CNU032732716U
Authority: CN
Inventors: 宁楚文; 李汉钊; 张声灿; 李炳基
Original assignee: Sandhuijingan Communication & Traffic Installation Co Ltd Foshan City
Current assignee: Sandhuijingan Communication & Traffic Installation Co Ltd Foshan City
Priority date: 2003-08-11
Filing date: 2003-08-11
Publication date: 2004-08-25
Anticipated expiration: 2013-08-11

Abstract

The utility model discloses a LED traffic signal light, which comprises a LED light source, a front lens cover, a rear cover, and a power supply circuit, and is characterized in that: the utility model also comprises a lens and a radiator. The lens is fixed inside the front lens cover; the rear section of the rear cover is opened with an assembly hole and the LED light source is arranged at the hole; the radiator is positioned at the back section of the rear cover and is fixed with the LED light source; the power supply circuit is positioned on the real cover. The rear cover is provided with a reflection cup made of metal material that can radiate the heat, and the back section of the reflection cup is connected with the radiator into integration; the lens is Fresnel lens; the power supply circuit is under the rear section of the rear cover through a slot or a bolt. The signal light with the above structure has the advantages of better heat emission effect, higher light utilization rate and longer service life.

Description

The LED traffic lights

Technical field

The utility model relates to traffic signal light device, relates to the lens of traffic lights particularly.

Background technology

Existing LED traffic lights generally are made up of led light source, snoot, electronic circuit board and power unit, back cover, snoot is positive to be equally distributed convex lens one by one, the snoot back side is the out-of-flatness surface of reticulate pattern, make becoming one of snoot convex lens and diffuse reflection light-gathering cover, electronic component LED luminous tube is installed on the electronic circuit board, convex lens on LED luminous tube light source and the snoot are the one-to-one relationship structure, and back cover and snoot, electronic circuit board are connected and fixed.The LED traffic lights radiating effect of said structure is poor, thereby influences its service life; When partial L ED light emitting source damages, dim spot will appear in its lamp face, influence visual effect simultaneously.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned LED signal lamp and provides that a kind of good heat dissipation effect, light utilization ratio are higher, the LED traffic lights of long service life.

For achieving the above object, the utility model has adopted following technical scheme: these LED traffic lights are made of led light source, preceding lens lid, lens, radiator, back cover and power circuit, in lens covered before lens were fixed on, the back cover rear portion has the led light source installing hole, radiator is installed in the back cover rear portion and links together with led light source, and power circuit is installed on the back cover.

Be fixed with a reflector in the described back cover, this reflector rear portion and radiator fuse, and adopt the metal material of heat radiation to make, and this reflector structurally can give dismounting.

Described lens are the Fei Nier lens; Power circuit is installed in bottom in the back cover by insertion slot type, also can install by screw.

The lens lid is fixed together by the screw around being located at back cover before described.

Outstanding effect of the present utility model is: use because the utility model has adopted lens and preceding lens lid is common, the light source that is in the center all can be launched by directional light after the lens refraction, simultaneously, installed reflector additional, its sidepiece light source is after reflection again with directional light directive lens, thereby makes the light utilization ratio higher, and light source concentrates on the centre of luminescence, lens and lens and single LED be relation one to one, even therefore single led inefficacy is arranged, the phenomenon of dim spot also can not occur; Light source of the present utility model directly fuses with radiator, thereby heat radiation better, if installed the reflector that metal material is made additional, reflector also can play thermolysis preferably, thereby it is better that the utility model is dispelled the heat; Thereby will prolong its service life.

Description of drawings

Fig. 1 is the utility model backsight structural representation;

Fig. 2 is the A-A sectional structure schematic diagram of the utility model Fig. 1;

Fig. 3 is the utility model inner lens surfaces structural representation;

Fig. 4 is the utility model lens outer surface structural representation;

Fig. 5 is the B-B sectional structure schematic diagram of Fig. 4;

Fig. 6 is the local enlarged diagram of B among Fig. 5;

Fig. 7 is the local enlarged diagram of the utility model lens surface.

The specific embodiment

As Fig. 1-shown in Figure 2, traffic lights of the present utility model are made of led light source 7, preceding lens lid 1, lens 2, radiator 6, back cover 3 and power circuit 4, and lens 2 are the Fei Nier lens; Lens covered 1 inside before it was fixed on, and preceding lens lid 1 is fixed together by four screws around being located at back cover; Back cover 3 rear portions have a circular hole, and led light source 7 is located at this circular hole place, and radiator 6 is installed in back cover 3 rear portions and links together with led light source 7, by the circular hole sealing of radiator 6 with back cover 3 rear portions; One reflector 5 is installed in the back cover 3, and these reflector 5 rear portions and radiator 6 fuse, and this reflector 5 can adopt the metal material of heat radiation to make, and reflector 5 also can disassembled and assembled freely; Power circuit 4 is installed between the bottom and reflector 5 outsides in the back cover 3 by insertion slot type, also can install by screw.

Fig. 3～Fig. 7 is a Fei Nier lens arrangement schematic diagram for the utility model lens 2, the outer surface of lens 2 is the densely covered formation of polygon prismatic, be provided with installing hole or mounting groove around the lens 2, the light of led light source can be launched with parallel direction by these Fei Nier lens.

Claims

1, a kind of LED traffic lights, comprise led light source, preceding lens lid, back cover and power circuit, it is characterized in that, it also includes lens, radiator, in the lens lid, the back cover rear portion had installing hole before lens were fixed on, and led light source places this place, hole, radiator is installed in the back cover rear portion and is connected and fixed with led light source, and power circuit is installed on the back cover.

2, LED traffic lights according to claim 1 is characterized in that, described lens are the Fei Nier lens.

3, LED traffic lights according to claim 1 is characterized in that, are fixed with a reflector in the described back cover, and this reflector rear portion and radiator fuse.

4, LED traffic lights according to claim 3 is characterized in that, described reflector adopts the metal material of heat radiation to make.

5, LED traffic lights according to claim 3 is characterized in that, described reflector can give disassembled and assembled freely.

6, LED traffic lights according to claim 1 is characterized in that, power circuit is installed in bottom in the back cover by insertion slot type.

7, LED traffic lights according to claim 1 is characterized in that, power circuit is installed in bottom in the back cover by screw.

8, LED traffic lights according to claim 1 is characterized in that, described preceding lens lid is fixed together by the screw around being located at back cover.